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| author | Tels <nospam-abuse@bloodgate.com> | 2001-12-01 11:29:11 +0100 |
|---|---|---|
| committer | Jarkko Hietaniemi <jhi@iki.fi> | 2001-12-01 15:52:13 +0000 |
| commit | ba964c95d0edb0b5a4c30a52b8a82fe58a4ff0cc (patch) | |
| tree | e9e62c866e12b3d66c3062bb7a6b8ef68f65781f /pod/perlfunc.pod | |
| parent | 50fb311132b0e2e94d55d38160ba1815c5c89f0d (diff) | |
| download | perl-ba964c95d0edb0b5a4c30a52b8a82fe58a4ff0cc.tar.gz | |
Re: [PATCH] [ID 20011130.166] "in memory" file handles via scalas not documented in perldoc -f open
Message-Id: <200112010931.LAA29309@tiku.hut.fi>
p4raw-id: //depot/perl@13402
Diffstat (limited to 'pod/perlfunc.pod')
| -rw-r--r-- | pod/perlfunc.pod | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/pod/perlfunc.pod b/pod/perlfunc.pod index 0271862538..2b20a4b63c 100644 --- a/pod/perlfunc.pod +++ b/pod/perlfunc.pod @@ -2666,6 +2666,8 @@ conversion assumes base 10.) =item open FILEHANDLE,MODE,EXPR,LIST +=item open FILEHANDLE,MODE,REFERENCE + =item open FILEHANDLE Opens the file whose filename is given by EXPR, and associates it with @@ -2778,6 +2780,10 @@ argument being C<undef>: opens a filehandle to an anonymous temporary file. +File handles can be opened to "in memory" files held in Perl scalars via: + + open($fh,'>', \$variable) || .. + Examples: $ARTICLE = 100; @@ -2802,6 +2808,11 @@ Examples: open(EXTRACT, "|sort >/tmp/Tmp$$") # $$ is our process id or die "Can't start sort: $!"; + # in memory files + open(MEMORY,'>', \$var) + or die "Can't open memory file: $!"; + print MEMORY "foo!\n"; # output will end up in $var + # process argument list of files along with any includes foreach $file (@ARGV) { |